using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;

using?System.Data;
using?System.Data.SqlClient;

namespace?treeview2
{
????public?class?dbhelper
????{
????????private?string?str?=?“server=HP-201107182043\\SQLEXPRESS;database=lianxi;uid=sa;pwd=123456“;
????????///?

????????///?執(zhí)行　增　刪　改方法
????????///?

????????///?
????????///?
????????///?
????????///?
????????public?int?Execute（string?sql?CommandType?cmdtype?params?SqlParameter[]?paras）
????????{
????????????int?result?=?0;
????????????using?（SqlConnection?con?=?new?SqlConnection（str））
????????????{
????????????????con.Open（）;
????????????????SqlCommand?c

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件????1526272??2011-09-02?13:30??樹(shù)的使用1拖動(dòng)\lianxi.bak

?????文件??????12800??2011-09-02?13:15??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin\Debug\treeview2.exe

?????文件??????32256??2011-09-02?13:15??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin\Debug\treeview2.pdb

?????文件??????14328??2011-09-02?13:23??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin\Debug\treeview2.vshost.exe

?????文件????????490??2007-07-21?01:33??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin\Debug\treeview2.vshost.exe.manifest

?????文件???????4704??2011-09-02?11:53??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\dbhelper.cs

?????文件???????6422??2011-09-02?13:15??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Form1.cs

?????文件???????2254??2011-09-02?13:02??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Form1.Designer.cs

?????文件???????5814??2011-09-02?13:02??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Form1.resx

?????文件????????722??2011-09-02?13:23??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.csproj.FileListAbsolute.txt

?????文件????????847??2011-09-02?13:02??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.csproj.GenerateResource.Cache

?????文件??????12800??2011-09-02?13:15??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.exe

?????文件????????180??2011-09-02?13:02??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.Form1.resources

?????文件??????32256??2011-09-02?13:15??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.pdb

?????文件????????180??2011-09-02?11:53??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\treeview2.Properties.Resources.resources

?????文件????????501??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Program.cs

?????文件???????1454??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties\AssemblyInfo.cs

?????文件???????2847??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties\Resources.Designer.cs

?????文件???????5612??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties\Resources.resx

?????文件???????1094??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties\Settings.Designer.cs

?????文件????????249??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties\Settings.settings

?????文件???????3768??2011-09-02?11:53??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\treeview2.csproj

?????文件????????917??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2.sln

????..A..H.??????8192??2011-09-02?11:35??樹(shù)的使用1拖動(dòng)\treeview2\treeview2.suo

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug\TempPE

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin\Debug

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj\Debug

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\bin

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\obj

?????目錄??????????0??2011-09-02?13:31??樹(shù)的使用1拖動(dòng)\treeview2\treeview2\Properties

............此處省略6個(gè)文件信息